17849841805

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1\times {\mathrm{1021}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 21963352320

約数和(自身を除く): 4113510515

約数列:

[1, 5, 83, 103, 409, 415, 515, 1021, 2045, 5105, 8549, 33947, 42127, 42745, 84743, 105163, 169735, 210635, 417589, 423715, 525815, 2087945, 3496541, 8728529, 17482705, 34659887, 43011667, 43642645, 173299435, 215058335, 3569968361, 17849841805]

約数ペア:

[(1, 17849841805), (5, 3569968361), (83, 215058335), (103, 173299435), (409, 43642645), (415, 43011667), (515, 34659887), (1021, 17482705), (2045, 8728529), (5105, 3496541), (8549, 2087945), (33947, 525815), (42127, 423715), (42745, 417589), (84743, 210635), (105163, 169735)]